1. Introduction
This manual provides instructions for the safe and effective use of your onerbl 12V 80W AC/DC Adapter. This power supply is designed to provide stable 12V DC power to compatible devices, such as the CoFashion Model 858-8 and 8588 Nail Dust Collectors.
Please read this manual thoroughly before using the adapter and retain it for future reference.

Figure 1: Front and side view of the onerbl 12V AC/DC adapter, showing the input specifications and plug type.
2. Safety Precautions
- Do not expose the adapter to water or excessive moisture.
- Do not disassemble or modify the adapter.
- Ensure the adapter is used within its specified input and output voltage/current ranges.
- Keep the adapter away from heat sources and direct sunlight.
- Unplug the adapter from the power outlet when not in use for extended periods.

Figure 2: The adapter features built-in protections against short-circuits, over-voltage, and over-current to ensure electrical safety.
3. Setup
- Verify Compatibility: Ensure your device requires a 12V DC input and has a compatible DC barrel connector. This adapter is specifically designed for CoFashion Model 858-8 and 8588 Nail Dust Collectors.
- Connect to Device: Insert the DC barrel connector of the adapter firmly into the power input port of your compatible device.
- Connect to Power Outlet: Plug the AC prongs of the adapter into a standard wall outlet (AC 100-240V, 50/60Hz).

Figure 3: The adapter connected to a power source and a compatible electronic device.
4. Operating Instructions
Once properly connected, the adapter will supply power to your device. No additional controls or settings are required on the adapter itself. The adapter is designed for continuous operation within its specified limits.
- Ensure the adapter is placed in a well-ventilated area to prevent overheating.
- If your device has an ON/OFF switch, use that to control the power to the device.
5. Maintenance
- Cleaning: Disconnect the adapter from the power outlet and the device before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place when not in use. Avoid wrapping the cable too tightly around the adapter to prevent damage.
- Inspection: Periodically inspect the adapter and its cable for any signs of damage, such as frayed wires or cracked casing. If damage is found, discontinue use immediately.
6. Troubleshooting
- No Power to Device:
- Ensure the adapter is securely plugged into both the wall outlet and the device.
- Check if the wall outlet is functional by plugging in another device.
- Verify that your device's power switch is in the 'ON' position.
- Adapter Overheating:
- Ensure the adapter is in a well-ventilated area and not covered.
- Confirm that the connected device's power requirements do not exceed the adapter's 80W capacity.
If problems persist, refer to the 'Support' section for assistance.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | onerbl |
| Input Voltage | AC 100-240V, 50/60Hz |
| Output Voltage | DC 12V |
| Wattage | 80 Watts |
| Compatible Devices | CoFashion 858-8, 8588 Nail Dust Collector |
| Connectivity Technology | DC Barrel |
| Cable Length | Approx. 76 inches (193 cm) |
| Plug Type | US 2-pin plug |
| Special Features | Over Voltage Protection, Over Heat Protection, Short-Circuit Protection, Portable |

Figure 4: Physical dimensions and cable length of the onerbl AC/DC adapter.
8. Warranty and Support
For warranty information, please refer to the product listing on the retailer's website or contact the seller directly. Warranty terms may vary.
If you encounter any issues or have questions regarding your onerbl AC/DC Adapter that are not covered in this manual, please contact the seller or manufacturer for technical support.
Manufacturer: Shenzhen Waweis Technology Co., Ltd